Concessão da patente
#16.1
12/30/1986
RPI 845
Application data
Number
PI8303220Type
Filing
Publication
The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 12/30/1986. We update with every new RPI gazette, published weekly.
Applicants
Intevep S.A.
VE
Inventors
F. V. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/30/1986
RPI 845
#13.1
11/04/1986
RPI 837
#9.1
07/08/1986
RPI 820
#6.1
12/03/1985
RPI 789
#4.1
03/12/1985
RPI 751
#4.2
09/18/1984
RPI 726
#3.1
06/12/1984
RPI 712
#2.1
08/02/1983
RPI 667
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era F04B 21/04.
03/27/2018
RPI 2464
#21.1
Patente extinta em 17/06/98
07/01/2008
RPI 1956
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.